STUDY OBJECTIVE
Patent foramen ovale (PFO) is present in 10 to 35% of people and has been reported to be an important risk factor for cardioembolic cerebrovascular accidents (CVAs) and transient… (More)

In existence for more than a decade, transesophageal echocardiography has gained renewed interest because of technologic advances including high resolution transducers, multiple imaging planes and… (More)